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<main id="graphicsmagick-thanks">
<h1 class="title">GraphicsMagick Thanks</h1>
<!-- -*- mode: rst -*- -->
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<p>We would like to thank the following organizations or individuals who
may have not contributed code but contributed substantially in other
ways:</p>
<div class="contents local topic" id="contents">
<ul class="simple">
<li><p><a class="reference internal" href="#project-hosting" id="id1">Project Hosting</a></p></li>
<li><p><a class="reference internal" href="#fuzz-testing" id="id2">Fuzz Testing</a></p></li>
<li><p><a class="reference internal" href="#security-analysis-reports" id="id3">Security Analysis/Reports</a></p></li>
<li><p><a class="reference internal" href="#static-code-analysis" id="id4">Static Code Analysis</a></p></li>
<li><p><a class="reference internal" href="#software-analysis-tools" id="id5">Software Analysis Tools</a></p></li>
<li><p><a class="reference internal" href="#additional-acknowledgements" id="id6">Additional Acknowledgements</a></p></li>
</ul>
</div>
<section id="project-hosting">
<h1><a class="toc-backref" href="#id1">Project Hosting</a></h1>
<blockquote>
<ul class="simple">
<li><p>Hosting at <a class="reference external" href="https://foss.heptapod.net/">https://foss.heptapod.net/</a> (since 2023) is donated by Clever Cloud
&lt;<a class="reference external" href="https://clever-cloud.com/">https://clever-cloud.com/</a>&gt; and Octobus &lt;<a class="reference external" href="https://octobus.net/">https://octobus.net/</a>&gt;.</p></li>
<li><p>Hosting at <a class="reference external" href="https://sourceforge.net/">https://sourceforge.net/</a> (since 2003) is provided for
free by SourceForge &lt;<a class="reference external" href="https://sourceforge.net/about">https://sourceforge.net/about</a>&gt;.</p></li>
<li><p>Hosting at <a class="reference external" href="http://www.graphicsmagick.org/">http://www.graphicsmagick.org/</a> (since 2003) is provided
by Bob Friesenhahn.</p></li>
</ul>
</blockquote>
</section>
<section id="fuzz-testing">
<h1><a class="toc-backref" href="#id2">Fuzz Testing</a></h1>
<blockquote>
<ul class="simple">
<li><p>Gustavo Grieco</p></li>
<li><p>Agostino Sarubbo</p></li>
<li><p>Jodie Cunningham</p></li>
<li><p>Gynvael Coldwind and Mateusz Jurczyk of the Google Security Team</p></li>
<li><p>Hanno Böck</p></li>
<li><p>Tobias Ospelt</p></li>
<li><p>Michal Zalewski</p></li>
<li><p>Moshe Kaplan</p></li>
</ul>
</blockquote>
</section>
<section id="security-analysis-reports">
<h1><a class="toc-backref" href="#id3">Security Analysis/Reports</a></h1>
<blockquote>
<ul class="simple">
<li><p>John Lightsey</p></li>
<li><p>David Chan</p></li>
<li><p>Federico Larumbe</p></li>
<li><p>Petr Gajdos</p></li>
</ul>
</blockquote>
</section>
<section id="static-code-analysis">
<h1><a class="toc-backref" href="#id4">Static Code Analysis</a></h1>
<blockquote>
<ul class="simple">
<li><p><a class="reference external" href="http://www.synopsys.com/software/coverity/">Coverity</a> was used (free of charge) to perform static code
analysis of the software.  After resolving many issues, there are
now zero reported defects per 1000 lines of code.</p></li>
</ul>
</blockquote>
</section>
<section id="software-analysis-tools">
<h1><a class="toc-backref" href="#id5">Software Analysis Tools</a></h1>
<blockquote>
<ul class="simple">
<li><p><a class="reference external" href="http://lcamtuf.coredump.cx/afl/">American fuzzy lop</a> was used (by many) to produce and discover
many of the files which caused problems for the software.</p></li>
<li><p><a class="reference external" href="http://quickfuzz.org/">QuickFuzz</a> was used (by Gustavo Grieco) to discover issues in the
SVG renderer.  <a class="reference external" href="http://quickfuzz.org/">QuickFuzz</a> provides specific support for a set of
file formats and is very good at chasing down and isolating
weaknesses.</p></li>
<li><p><a class="reference external" href="https://code.google.com/p/address-sanitizer/">AddressSanitizer</a> (ASan) was used to detect and isolate memory
access issues.</p></li>
<li><p><a class="reference external" href="http://www.valgrind.org/">Valgrind</a> was used to detect and isolate memory access issues as
well as memory leaks.</p></li>
</ul>
</blockquote>
</section>
<section id="additional-acknowledgements">
<h1><a class="toc-backref" href="#id6">Additional Acknowledgements</a></h1>
<dl class="simple">
<dt>David Pensak, E. I. du Pont de Nemours and Company</dt>
<dd><p>For providing the computing environment that made
developing ImageMagick possible.</p>
</dd>
<dt>Alexander Zimmermann</dt>
<dd><p>Responsible for the ImageMagick Linux binary
distributions for many years. His efforts are very much
appreciated.</p>
</dd>
<dt>Paul Heckbert, Carnegie Mellon University</dt>
<dd><p>Image resizing is based on Paul Heckbert's Zoom program.</p>
</dd>
<dt>Paul Raveling, USC Information Sciences Institute</dt>
<dd><p>The spatial subdivision color reduction algorithm is
based on his Img software.</p>
</dd>
<dt>Michael Halle, Spatial Imaging Group at MIT</dt>
<dd><p>For the initial implementation of Alan Paeth's image
rotation algorithm.</p>
</dd>
<dt>Peder Langlo, Hewlett Packard</dt>
<dd><p>Made hundreds of suggestions and bug reports. Without
Peder, this software would not be nearly as useful as it
is today.</p>
</dd>
<dt>Rod Bogart and John W. Peterson, University of Utah</dt>
<dd><p>Image compositing is loosely based on rlecomp of the
Utah Raster Toolkit.</p>
</dd>
<dt>Alvy Ray Smith and Eric Ray Lyons</dt>
<dd><p>HWB color transform and algorithm.</p>
</dd>
<dt>Thomas R Crimmins</dt>
<dd><p>Inventor of the eight hull algorithm used for speckle
reduction.</p>
</dd>
</dl>
</section>
</main>


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